#401737
Closest named color: Aubergine (#3D0734). oklch(28.1% 0.078 336.8), rgb(64, 23, 55).
Aa
White text reads best on this color (15.04:1).
About this color
#401737 is a dark, moderately saturated purple. In OKLCH its lightness is 28%, its chroma 0.078 and its hue 337°. Its hue sits on the warm side of the wheel. The nearest named color is Aubergine (#3D0734), ΔE 0.034 away. White text reads best on it, at 15.04:1.
| Hue family | Purples |
| Lightness | dark (28%) |
| Chroma | moderately saturated (0.078) |
| Temperature | warm |
| Nearest name | Aubergine (#3D0734) |
| Black text | 1.39:1 |
| White text | 15.04:1 |
Values
| HEX | #401737 |
| RGB | rgb(64, 23, 55) |
| HSL | hsl(313, 47%, 17%) |
| OKLCH | oklch(28.1% 0.078 336.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #401737 | 15.04:1 | AAA | Lc -104.4 | Preferred for body text |
| Black text on #401737 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #401737 text on white | 15.04:1 | AAA | Lc 101.6 | Preferred for body text |
| #401737 text on black | 1.39:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#FBF2F8
oklch(97% 0.012 337.5)
-
Step 100
100
#F6E3F1
oklch(93.5% 0.028 334.9)
-
Step 200
200
#F0CDE6
oklch(88.5% 0.051 336.3)
-
Step 300
300
#E8AAD7
oklch(81% 0.093 336.7)
-
Step 400
400
#DA7AC2
oklch(70.8% 0.148 337.1)
-
Step 500
500
#CD52B3
oklch(63.1% 0.19 336.7)
-
Step 600
600
#B8309E
oklch(55.6% 0.206 336.9)
-
Step 700
700
#9E2087
oklch(49% 0.192 336.9)
-
Step 800
800
#801E6E
oklch(42.6% 0.159 336.6)
-
Step 900
900
#682059
oklch(37.7% 0.124 337)
-
Step 950
950 (this color)
#401737
oklch(28.1% 0.078 336.8)
#401737 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #182238 | 0.082 |
| Deuteranopia (no green cones) | #242936 | 0.073 |
| Tritanopia (no blue cones) | #431924 | 0.038 |
| Achromatopsia (no color) | #262626 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #401737
#401737
oklch(28.1% 0.078 336.8)
- #00321B
#00321B
oklch(27.9% 0.066 157.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #401737, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aubergine #3D0734 ΔE 0.034
- Eggplant #380835 ΔE 0.039
- Eggplant Purple #430541 ΔE 0.040
- Dark Plum #3F012C ΔE 0.044
- Deep Violet #490648 ΔE 0.048
- Dark Purple #35063E ΔE 0.051
- Deep Purple #36013F ΔE 0.058
- Plum Purple #4E0550 ΔE 0.062
Use #401737 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.